関連ワード:  which is not present in animal cell    which is not found in animal cell    which organelle is not present in animal cell    which structure is not present in animal cells    which organ is not present in animal cell    which part is not present in animal cell    which is not present in most animal cells    which is not present in any animal cells    which of these is not present in animal cell    name one organelle which is not present in animal cell